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Physics

"I have no special talents, I'm only passionately curious."

-Albert Einstein

SPAce settlement project

In collaboration with Digital Arts, groups created films about their ideas for space settlements in hopes for humans to colonize in space.

reflection:

the film:

I hypothesize that circular motion and Newton's three laws may contain a key role in designing a spacecraft. As we’ve discovered in previous projects, circular motion essentially propels an object into artificially achieved gravity (outer edge gravity that comes from mass rotating). This gave us the idea to achieve gravity by making our settlement complete an average of 1.57 rotations per minute, giving our ships artificial gravity. This balance is needed for the passengers to be comfortable! (Though, I'd imagine that spinning so much would be quite uncomfortable.) Isaac Newton’s 3 laws of motion come into play very much when in space. Newton's first law states that an object will stay at rest or constant state unless another force is acted upon it. I believe this connects to following orbit around Earth. We want to stay at a constant velocity for all rotations around the planet so that we can complete the same hours of a day and still be around Earth’s gravitational pull. Newton’s law depicts the science behind such, as there are very few forces to affect that constance in space. His second law states that the acceleration of an object is dependent on the forces around it. Conclusively, when lifting off from the Earth's surface, a space settlement will need a lot of power to break through the layers of atmosphere. It also needs sturdy, lightweight material like aluminum titanium to succeed. Finally, Newton's third law declares that for every action, there is an equal reaction. Basically, every force in action has an opposing force that makes it possible. An example of this is gravity, it pulls us down, and normal force opposes it, making us not fall right through the molecules of the floor. The same concept is applied to flying in a spacecraft. Now, this may not be totally accurate, but I imagine that since there are no known particles in space, the settlement must fight against nothing to create movement and thus, the force used for flying propels off of itself, making a cycle of constant movement.

I think that my greatest 21st century skill for the duration of this project was creativity and communication. I tried to generate as many creative ideas as possible so that we could have a good project. As someone who enjoys science and art, I generated the original blueprints of our settlement. I’m reasonably happy with them and believe that the settlement may possibly work in actual space, if the theories we know are real. When we got over complicated, like when we were worrying about what to do with people who die on the ship, I communicated and refocused the group so that we were more focused on the actual requirements for the project. When I think about the group physics projects I’ve been in thus far, it’s been hard to get my ideas heard or considered. But this project held big growth already, because while it’s been hard in the past, I’ve reflected on this quite a lot, and I’ve realized that I’ve improved on this, even if just a little. There were moments of polarity where I felt quite sheerly unseen, or where I made big contributions. And I made it a point to take my amount of control as much as possible.

My largest area that needs to sprout further is Collaboration. If I were to communicate one thing that I didn’t to my group, it would be to make it a plan to collaborate in editing the video together. A member of my group took on the role independently, and while he’s definitely the most qualified when it comes to visuals, I feel that we would have a bit of a more refined product if we were all together sharing input. Something that represents the project maybe a bit clearer. I’d love to have taken on the role of “editing supervisor”, though due to a family emergency I was not present for the last few days of the project, and I understand that. All and all, I’m happy with my team and we all did great. The timeframe was small for such a big project, and it was really fun. Great job to everyone who did this project, beautiful work!

In this project, I grew as a digital artist by actually specifying the ideas of visual composition. I’ve always known what “looks good” intuitively on film, but until this project, there was never much of a guide of rules on how to maintain visually pleasing clips at all times. I think it was pretty useful because we played with angles and lighting that I honestly haven’t before. 

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Building a Trebuchet

   In this project, we were separated into groups to build trebuchets, (which are contraptions similar to catapults) that contain a swing arm to throw an object into projectile motion, featuring a counterweight. Used in the middle ages to throw large objects at enemies during feuds/wars. We did research about ideal trebuchet physics, and eventually, we held a competition to see who's methods were best. This project was very new and enjoyable for me, as someone who has never built something this large and has never used power-tools before.

   For our trebuchets to work successfully, there has to be a perfect balance between the Physics elements. A perfect function of kinetic and potential energy, velocity, acceleration, and projectile (what we launch) motion. Unfortunately, my group's trebuchet broke because of imbalance of these things, a good lesson for the next time.

   Our goal is to launch an object as far as possible. With this, we gain a higher understanding of how physics work in the real world. To throw a projectile (throwable object) as far as possible, we must maximize velocity (speed), and for that, must maximize the potential (mechanical) energy, making the physics of the trebuchet as workable as possible.

   The balance of our sciences is important to understand. The balance between Mass and Velocity is also known as Kinetic Energy (KE=1/2m⋅v²), gravity ties into our projectile motion, accelerates (speeds up) the velocity a falling object by 9.8 meters per second squared, (squared, meaning it's a rate over a rate) (g=9.3m/s²). By gaining a thorough understanding of these concepts, we have the knowledge upon how to make our trebuchets throw farther.

   In our community of learners in the Trebuchet Project, we must demonstrate the 21st century skills. In a project when we must collaboratively work together, communication, critical thinking, and creativity all come into play. Communication of creativity is key when expressing ideas in a group, as an extension of teamwork. We all should express our ideas, even if they're abstract, because they could be a stroke of genius. But also must be critical thinkers, always asking the "what if?" and addressing the thoughts that follow to maximize the skills of our product. And all of these conduct to collaboration when expressed by everyone. We all express forms of communication, critical thinking, and creativity, forming collaboration in the most effective form, when everyone is the group is open-minded and eloquent to these topics.

   What challenged me most during this project was constant bickering in my group, I didn't have much of a voice. Everyone was talking over me, and we were all arguing about who's idea was best, while we should have looked at them from a scientific standpoint. While I didn't partake in arguments as much, I still should have done something about it. I wish that I facilitated a more mature and team-based standpoint, but it was very hard because everyone else's ideas shut me up. In future projects, I will be kind, but not let my voice be stolen. A good lesson came from this, I will stand up for myself now.

   My biggest strength in this project was my ability to look at things scientifically and my creative ideas. I've always been a fan of science, and even though our trebuchet snapped, I think that my ideas contributed much to the group (my ideas just weren't listened to very much.) I came up with very logical ideas that definitely propelled us forward, and so did my peers, but there was a lack of unity, which is something I strive to achieve in the future.

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Here's my Trebuchet!:

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https://youtu.be/PJ4319QSIWw 

(Copy and paste link.)

Let's be                today.

                   kind

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